You require high availability for HTTP sessions in a web application. In addition, you have the
following constraints:
• There is little free memory on the machines hosting the cluster.
• HA must be guaranteed even when multiple machines fall simultaneously.
• You are not allowed to update the production databases schema.
Which is the best session persistence option?
A.
Database persistence
B.
File persistence
C.
In-memory replication
D.
Whole –server migration
B
C